<template>
	<!-- 头部 -->
	<header class="header">
		<!-- 头部的第一行 -->
		<div class="top">
			<div class="container">
				<div class="loginList">
					<p>尚品汇欢迎您！</p>
					<p v-if="!userInfo.loginName">
						<span>请</span>
						<!-- 声明式导航，务必要有to属性 -->
						<router-link to="/login">登录</router-link>
						<router-link class="register" to="/register">免费注册</router-link>
					</p>
					<p v-else>
						<a>{{userInfo.loginName}}</a>
						<a class="register" @click="deleteToken">退出登录</a>
					</p>
					
				</div>
				<div class="typeList">
					<router-link to="/center/myorder">我的订单</router-link>
					<router-link to="/shopcart">我的购物车</router-link>
					<a href="###">我的尚品汇</a>
					<a href="###">尚品汇会员</a>
					<a href="###">企业采购</a>
					<a href="###">关注尚品汇</a>
					<a href="###">合作招商</a>
					<a href="###">商家后台</a>
				</div>
			</div>
		</div>
		<!--头部第二行 搜索区域-->
		<div class="bottom">
			<h1 class="logoArea">
				<router-link class="logo" to="/home">
					<img src="./images/logo.png" alt="">
				</router-link>
			</h1>
			<div class="searchArea">
				<form action="###" class="searchForm">
					<input 
					type="text" 
					id="autocomplete" 
					class="input-error input-xxlarge"
					 v-model="keyword"
					/>
					<button 
					class="sui-btn btn-xlarge btn-danger" 
					type="button" 
					@click="goSearch"
					>
						搜索
					</button>
				</form>
			</div>
		</div>
	</header>
</template>

<script>
	export default {
		name: "",
		data(){
			return{
				keyword:''
			}
		},
		methods: {
			// 搜索按钮的回调函数:需要向search路由进行跳转
			goSearch() {
				// 路由传递参数:
				// 第一种:字符串形式
				// this.$router.push("/search/" + this.keyword + "?k=" +this.keyword.toUpperCase());
				// 第二种:模板字符串
				// this.$router.push(`/search/${this.keyword}?k=${this.keyword.toUpperCase()}`);
				// 第三种:对象
				
				if(this.$route.query){
					let location = {name:"search",params:{keyword:this.keyword || undefined}};
					location.query = this.$route.query;
					this.$router.push(location);
				};
				
				
				
				
			},
			async deleteToken(){
				try {
					await this.$store.dispatch('logout')
					this.$router.push('/home')
				} catch (error) {
					alert(error.message)
				}
				
			}
		},
		mounted() {
			// 通过全局事件总线清除关键字
			this.$bus.$on("clear",() => {
				this.keyword = '';

			})
			// this.$store.dispatch('abc')
			
		},
		computed:{
			usertoken(){
			let token = localStorage.getItem('user_token')
			return token
			},
			userInfo(){
				return this.$store.state.login.userInfo
			}
		}
	}
</script>

<style scoped lang="less">
	.header {
		&>.top {
			background-color: #eaeaea;
			height: 30px;
			line-height: 30px;

			.container {
				width: 1200px;
				margin: 0 auto;
				overflow: hidden;

				.loginList {
					float: left;

					p {
						float: left;
						margin-right: 10px;

						.register {
							border-left: 1px solid #b3aeae;
							padding: 0 5px;
							margin-left: 5px;
						}
					}
				}

				.typeList {
					float: right;

					a {
						padding: 0 10px;

						&+a {
							border-left: 1px solid #b3aeae;
						}
					}
				}
			}
		}

		&>.bottom {
			width: 1200px;
			margin: 0 auto;
			overflow: hidden;

			.logoArea {
				float: left;

				.logo {
					img {
						width: 175px;
						margin: 25px 45px;
					}
				}
			}

			.searchArea {
				float: right;
				margin-top: 35px;

				.searchForm {
					overflow: hidden;

					input {
						box-sizing: border-box;
						width: 490px;
						height: 32px;
						padding: 0px 4px;
						border: 2px solid #ea4a36;
						float: left;

						&:focus {
							outline: none;
						}
					}

					button {
						height: 32px;
						width: 68px;
						background-color: #ea4a36;
						border: none;
						color: #fff;
						float: left;
						cursor: pointer;

						&:focus {
							outline: none;
						}
					}
				}
			}
		}
	}
</style>